Guest: Dr. George Nield. Topics: personal spaceflight regulations, Office of Commercial Space Transportation within FAA, launch license. Dr. George Nield returned to The Space Show to update us on changes in space policy and regulation per the AST. For more information, visit their website at http://www.faa.gov/about/office_org/headquarters_offices/ast/ . Dr. Nield told us about the many changes and developments within the FAA and AST since his last appearance on the show in the summer of 2008.